@article{. Rastsvetaeva2023cations, author={. Rastsvetaeva, R.K.}, title={Cations ordering in minerals with complex composition: P3-sergevanite — the second representative of eudialyte group with primitive cell}, journal={Vestnik of geosciences}, publisher={FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"}, year={2023}, pages={26-30}, volume={0}, issue={8}, }